Question

Urea is synthesized in the _______
1. Brain
2. Small Intestine
3. Heart 
4. Liver

Answer 1

Correct Answer - Option 4 : Liver

The correct answer is Liver.

• The liver is the only organ where urea is synthesized and ultimately excreted by the kidneys.
• Most urea in the human body is found in urine.
• In humans, almost 80% of the nitrogen excreted is in the form of urea.

• Brain -
  • The brain is the control center of the central nervous system of animals.
  • It regulates and controls their conduct.
  • In mammals, the brain is located in the head and is protected by the skull.​
• Small Intestine -
  • The small intestine (small intestine) is an important part of the human digestive system.
  • It starts from the stomach and is completed on the colon (large intestine).
  • The digestive and absorption of food take place only in the small intestine.​
• Heart -
  • The heart is a muscular organ,
  • The heart of vertebrates is made up of cardiac muscle.
  • It is an involuntary muscle tissue, which is found only in the heart organ.
  • The heart of a healthy human is about 13 cm long and 9 cm wide.​
• Liver -
  • The second-largest organ after the skin is the liver.
  • It is located on the right side of our stomach.
  • The liver performs various types of functions in our body such as -
    •  Control blood sugar,
    • Toxin separation,
    • Turning glucose into energy,
    • Balancing the amount of protein nu trition, etc.​